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4 years ago

I need help with this math problem please

Mathematics

2 answers:

Gekata [30.6K]4 years ago

8 0

Answer:

C) 3(x+7)²

Step-by-step explanation:

MAVERICK [17]4 years ago

5 0

Answer:

A) (3x + 21)(x + 7)

Step-by-step explanation:

If we look at the equation we can see that it is a quadratic equation, therefore we can factor it in the following way...

$3x^{2} + 42x + 147 = 3x^{2} + 21x + 21x + 147 = 3x(x + 7) + 21(x + 7) = (3x + 21)(x + 7)$

Therefore the answer is A)

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